If you use your own CSS file with your own CSS fonts, then we’ll notice that Sharepoint doesn’t send cache headers if you use the below CSS code: @font-face { font-family: ‘Roboto’; src: url(‘/_catalogs/masterpage/css/fonts/Roboto/Regular/Roboto-Regular.woff2’) format(‘woff2’), url(‘/_catalogs/masterpage/css/fonts/Roboto/Regular/Roboto-Regular.woff’) format(‘woff’), url(‘/_catalogs/masterpage/css/fonts/Roboto/Regular/Roboto-Regular.ttf’) format(‘truetype’); font-weight: 400; font-style: normal; } To have this resource sent back from the Sharepoint server with […]